Q4 of 27 Page 62

There are three shells in the atom of element ‘X’, 6 electrons are present in its outmost shell.

In which period does this element belong?

Period number = 3

It is given that number of shells present in the element X is 3. Hence, X element belongs to third period


To remember:



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4

There are three shells in the atom of element ‘X’, 6 electrons are present in its outmost shell.

Write the electronic configuration of the element.

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There are three shells in the atom of element ‘X’, 6 electrons are present in its outmost shell.

What is its atomic number?

 4

There are three shells in the atom of element ‘X’, 6 electrons are present in its outmost shell.

In which group is this element included?

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There are three shells in the atom of element ‘X’, 6 electrons are present in its outmost shell.

Write the name and symbol of this element.